http://www.youtube.com/watch?v=lUP-

D4dKp14&feature=fvwrel

Vocabulary

Skeleton

Bone

Vertebrae

Spine Skull

Head

Muscle

Vocabulary

Joint

Trunk Limbs

arm

leg

Our body has more

than 200 bones

The bones form

the skeleton

S

K

E

L

E

T

O

N

http://www.youtube.com/watch?v=IIjj0rC7wcQ&p=7DE38D15EC21B42B&playnext=1&index=5

Bones have different

shapes

long short flat

Humerus is a

long bone

Vertebrae are

short bones Frontal bone is

a flat bone

The funtions of the skeleton

The skeleton has three functions

The skeleton

holds up our body.

1º

spine

bones

2º The skeleton protects

the most delicate parts of the body

Ribs protect :

The lungs and the heart

heart

lungs

3º The skeleton helps move our body

move

muscle

Joint

The muscles

pull on the bones

pull

bones

The joints permit

bones to move

Some bones of the skeleton

The skeleton has bones

in the head

The skeleton has bones

in the trunk

The skeleton has bones

in the limbs

skull Our head has the bones

of the skull.

Nasal bone

Frontal bones

ribs

vertebrae

Trunk

The bones of

the trunk are:

The vertebrae form the spine

Our limbs have bones

The ulna is in our arm

The tibia is in our leg

leg arm